document
... • Control information between routers for management of various functions, such as setup a virtual link ...
... • Control information between routers for management of various functions, such as setup a virtual link ...
PPT
... • Distributed algorithm for converging on shortest path tree • Nodes exchange reachability information: – “I can get to 128.95.2.x in 3 hops” ...
... • Distributed algorithm for converging on shortest path tree • Nodes exchange reachability information: – “I can get to 128.95.2.x in 3 hops” ...
IP Routing - IDC Technologies
... source to destination. IP layer in each host and router maintains a routing table, which is used to route the packets based on IP address. If a destination host is directly connected to the originating host by a link or by a LAN, then the packet is sent directly to destination host using appropr ...
... source to destination. IP layer in each host and router maintains a routing table, which is used to route the packets based on IP address. If a destination host is directly connected to the originating host by a link or by a LAN, then the packet is sent directly to destination host using appropr ...
A Robust and Adaptive Communication System for Intelligent
... Packet Delay: transmission delay + deterministic queuing delay ...
... Packet Delay: transmission delay + deterministic queuing delay ...
CMPT 880: Internet Architectures and Protocols
... packets forwarded using destination host address packets between same source-dest pair may take different ...
... packets forwarded using destination host address packets between same source-dest pair may take different ...
Data link layer (error detection/correction, multiple access protocols)
... PPP for dial-up access point-to-point link between Ethernet switch and host broadcast (shared wire or medium) traditional Ethernet upstream cable 802.11 wireless LAN ...
... PPP for dial-up access point-to-point link between Ethernet switch and host broadcast (shared wire or medium) traditional Ethernet upstream cable 802.11 wireless LAN ...
Fundamentals of Computer Networks ECE 478/578
... • Multihomed AS: An AS that has connections to more than one ASes but refuses to carry transit traffic • Transit AS: An AS that has connections to more than one AS and carries both transit and local traffic ...
... • Multihomed AS: An AS that has connections to more than one ASes but refuses to carry transit traffic • Transit AS: An AS that has connections to more than one AS and carries both transit and local traffic ...
OLD_chapter_18
... Re-assembly • protocol exchanges data between two entities • lower-level protocols may need to break data up into smaller blocks, called fragmentation • reasons for fragmentation: ...
... Re-assembly • protocol exchanges data between two entities • lower-level protocols may need to break data up into smaller blocks, called fragmentation • reasons for fragmentation: ...
Power of Layering
... Distance Vector with Path • Each routing update carries the entire AS-level path so far – “AS_Path attribute” ...
... Distance Vector with Path • Each routing update carries the entire AS-level path so far – “AS_Path attribute” ...
Graph Theory – Some Definitions A mathematical representation of
... The shortest path length, also called distance, between two nodes n and m is denoted by L(n,m). The average shortest path length, also known as the characteristic path length, gives the expected distance between two connected nodes. The neighborhood of a given node n is the set of its neighbors. The ...
... The shortest path length, also called distance, between two nodes n and m is denoted by L(n,m). The average shortest path length, also known as the characteristic path length, gives the expected distance between two connected nodes. The neighborhood of a given node n is the set of its neighbors. The ...
15-overlay
... • 10% of routes available < 95% of the time • 65% of routes available < 99.9% of the time • 3-min minimum detection+recovery time; often 15 mins • 40% of outages took 30+ mins to repair ...
... • 10% of routes available < 95% of the time • 65% of routes available < 99.9% of the time • 3-min minimum detection+recovery time; often 15 mins • 40% of outages took 30+ mins to repair ...
Lecture 5
... packet arriving to full queue dropped (aka lost) lost packet may be retransmitted by previous node, by source end system, or not at all buffer (waiting area) ...
... packet arriving to full queue dropped (aka lost) lost packet may be retransmitted by previous node, by source end system, or not at all buffer (waiting area) ...
Wireless Mesh Network
... This suggests that there is less impact on the geographic routing due to a topology change than the other routing protocols. The algorithm used in geographical routing (single-path greedy routings) suffers from that a delivery is not guaranteed even if a path exists between a source and the destinat ...
... This suggests that there is less impact on the geographic routing due to a topology change than the other routing protocols. The algorithm used in geographical routing (single-path greedy routings) suffers from that a delivery is not guaranteed even if a path exists between a source and the destinat ...
CMPT 880: Internet Architectures and Protocols
... packets forwarded using destination host address packets between same source-dest pair may take different ...
... packets forwarded using destination host address packets between same source-dest pair may take different ...
A340105
... Although in case of 50 nodes, the delay for AODV is higher at start but it reduces in the next stages until end of the simulation. DSR uses cached routes and more often, it sends traffic to the stale routes which causes retransmission and leads to excessive delays. Delay for TORA is higher because o ...
... Although in case of 50 nodes, the delay for AODV is higher at start but it reduces in the next stages until end of the simulation. DSR uses cached routes and more often, it sends traffic to the stale routes which causes retransmission and leads to excessive delays. Delay for TORA is higher because o ...
Food Webs
... Intuition behind using indegree centrality: if a species is being fed on by many other animals then it is an important part of the network ...
... Intuition behind using indegree centrality: if a species is being fed on by many other animals then it is an important part of the network ...
Solution to test 2
... All nodes on subnet 1 will receive this ICMP request message and send reply messages to 158.132.2.100. Since the routers do not check the source addresses when forwarding, all the reply messages will be forwarded to subnet 2. If the number is large enough, the router that is responsible for forwardi ...
... All nodes on subnet 1 will receive this ICMP request message and send reply messages to 158.132.2.100. Since the routers do not check the source addresses when forwarding, all the reply messages will be forwarded to subnet 2. If the number is large enough, the router that is responsible for forwardi ...
Overview/Questions Network Addresses Network Addresses
... ± Hostnames and IP address uniquely identify nodes on a networks. ± Internet protocol enables transmission of packets. ± Routing directs packets from source to destination across the network. ± DNS associates hostnames with IP addresses. Combine these ingredients to get the Internet (use only as dir ...
... ± Hostnames and IP address uniquely identify nodes on a networks. ± Internet protocol enables transmission of packets. ± Routing directs packets from source to destination across the network. ± DNS associates hostnames with IP addresses. Combine these ingredients to get the Internet (use only as dir ...
Active Message Application: CONNECT
... sensors that are present. Each node knows only its own identity. The base station knows that it is directly connected to the host PC. The base station is the origin of all routing update messages. ...
... sensors that are present. Each node knows only its own identity. The base station knows that it is directly connected to the host PC. The base station is the origin of all routing update messages. ...
William Stallings Data and Computer Communications
... Permits communication between end systems attached to different networks ...
... Permits communication between end systems attached to different networks ...
packet switching exchange (PSE)
... • A dynamic protocol that uses distance-vector routing algorithms to decipher which route to send data packets. • The protocol calculates the direction or interface that packets should be forwarded to, as well as the distance from the destination. • RIPv1 and RIPv2 are common among today’s networks. ...
... • A dynamic protocol that uses distance-vector routing algorithms to decipher which route to send data packets. • The protocol calculates the direction or interface that packets should be forwarded to, as well as the distance from the destination. • RIPv1 and RIPv2 are common among today’s networks. ...
Semester 1 Chapter 11 - Institute of Technology Sligo
... a distance-vector protocol; however, when determining the best path, it also takes into consideration such things as bandwidth, load, delay, and reliability. Network administrators can determine the importance given to any one of these metrics, or, allow IGRP to automatically calculate the optimal p ...
... a distance-vector protocol; however, when determining the best path, it also takes into consideration such things as bandwidth, load, delay, and reliability. Network administrators can determine the importance given to any one of these metrics, or, allow IGRP to automatically calculate the optimal p ...